Hi Jon,

On Sep 7, 6:19 pm, Jon McAlister <[email protected]> wrote:
> On Wed, Sep 7, 2011 at 8:56 AM, Tammo Freese <[email protected]> wrote:
> Right. The way the total-instances-rate (the blue line) is computed is
> from all running instances that have received a request at any point
> in the last 15 minutes. This however is not equal to the line you
> proposed, the line which is the maximum value of active-instances-rate
> over the last 15 minutes.

could you please give us the algorithm how total-instances is
computed?


> Look at any app's instances graph and you
> will be able to see this visually right away.

The graph aggregates values. Because of that, it does not help much to
understand what's going on. For example, the current graph (6 hours)
does never show more than 1 active instance, but I currently I see two
instances handling requests. Total instances goes up to around 5 and
even spikes once to 8, but from the graph I can't figure out why that
happens. There is even one point in the graph where Total goes down
below Active (!).


Take care,

Tammo

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